# SmartFilter for SMS vs AI Spam Shield Text Blocker

The clearest difference is rating: SmartFilter for SMS at 4.3 against AI Spam Shield Text Blocker's 2.3. SmartFilter for SMS also leads on review sentiment (75% vs 38%) and ratings volume (168 vs 3). AI Spam Shield Text Blocker's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SmartFilter for SMS sells 4 in-app purchases, starting at $1.49 per month and AI Spam Shield Text Blocker sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

SmartFilter for SMS holds the better App Store score, 4.3 against 2.3. That said, the two scores are not equally well evidenced: SmartFilter for SMS has 168 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 75% of SmartFilter for SMS's written reviews are positive against 38% of AI Spam Shield Text Blocker's.

SmartFilter for SMS ships an update every 2 months, AI Spam Shield Text Blocker every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | SmartFilter for SMS | AI Spam Shield Text Blocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (168 ratings)](https://appshunter.io/ios/app/smartfilter-for-sms/id1271258894/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/ai-spam-shield-text-blocker/id1519453300/reviews) |
| Number of ratings | **168** | 3 |
| Positive reviews | **75.4% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Freemium |
| Size | 25 MB | 12 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jacob Grant](https://appshunter.io/developer/1271258893) | [Alsy Apps Ltd](https://appshunter.io/developer/1519453302) |

## What reviewers say

### SmartFilter for SMS

[App page](https://appshunter.io/ios/app/smartfilter-for-sms/id1271258894)

This app intelligently filters unwanted SMS messages using machine learning. It offers extensive customization options to tailor filtering rules and ensures user privacy by analyzing messages directly on the device.

**Highlights:** Machine learning spam detection, Customizable filtering options, Filter unknown sender messages, Filter messages with URLs, Filter messages from email addresses, On-device message analysis

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.49 | per month |
| Yearly | $8.99 | per year |
| Leave a Tip! | $4.99 | one-time |
| One time | $19.99 | one-time |

**What reviewers like**

- 👍 Filters spam effectively
- 👍 Stops unwanted texts
- 👍 Life-improving quiet
- 👍 Set it and forget it
- 👍 Filters by keywords

**What reviewers complain about**

- 🐛 Keyword filter not working
- 🐛 Abandoned, old updates
- 🐛 Keyword function stopped
- 🐛 Letting through block words
- 🐛 Keyword filter does not work

**Reported bugs**

- Keyword blocking only sometimes works
- Keyword function stopped working
- Letting through texts with block words
- Spam-detection model not working well
- ML not working, legitimate messages filtered as spam

**Requested features**

- Sort into personalized folders
- Ability to filter specified short numbers
- User defined regex
- Delete all button for junk
- Immediately delete setting for certain words


### AI Spam Shield Text Blocker

[App page](https://appshunter.io/ios/app/ai-spam-shield-text-blocker/id1519453300)

This app uses AI to automatically block unwanted spam SMS messages. It learns from a vast dataset of spam texts to protect your inbox. Premium membership offers automatic background operation and regular model updates for continuous protection.

**Highlights:** AI-powered spam detection, Automatic SMS blocking, Continuous background protection, Regular spam model updates, Manual spam analysis for training

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium Membership | $1.99 | per month |
| 1 Year Premium Membership | $14.99 | per year |


## Frequently asked questions

### Is SmartFilter for SMS free?

SmartFilter for SMS is free to download, with in-app purchases available.

### Is AI Spam Shield Text Blocker free?

AI Spam Shield Text Blocker is free to download, with in-app purchases available.

### Which has better reviews, SmartFilter for SMS or AI Spam Shield Text Blocker?

SmartFilter for SMS is rated higher. SmartFilter for SMS averages 4.3 out of 5 from 168 ratings, while AI Spam Shield Text Blocker averages 2.3 from 3 ratings.

### Do SmartFilter for SMS or AI Spam Shield Text Blocker have ads?

Neither SmartFilter for SMS nor AI Spam Shield Text Blocker shows ads.

### Which is updated more often, SmartFilter for SMS or AI Spam Shield Text Blocker?

SmartFilter for SMS ships an update every 2 months, and AI Spam Shield Text Blocker every 3 months. Most recently, SmartFilter for SMS was updated on November 3, 2026 and AI Spam Shield Text Blocker on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*